# coding=utf-8
a = 100
b = 12


def add(a1, a2):
    return a1 + a2


print(add(add(10, a), b))
for i in range(1, 101, 11):
    print(i + 1)

a = 'hello'
b = 'world'
c = a + b

print(c)
print(type(c))

c = 12345

#列表，可以存储任意类型元素
list1 = [1, 2, 3]
print(list1)
list1[1] += 100
for i in list1:
    print(i)

#python的整型int 是动态扩容的
a = 128739817239812731273981273981273
print(type(a))
print(a)

#python的float 是动态扩容的
a = 1287398172392613876128376182763.12879387129837912837812731273981273981273
print(type(a))
print(a)

